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Method for accurate resonant frequency measurements with a phase‐modulated feedback loop

 

作者: L. Bruschi,   G. Torzo,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1987）
卷期: Volume 58, issue 11  

页码: 2181-2184

 

ISSN:0034-6748

 

年代: 1987

 

DOI:10.1063/1.1139483

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A new method for accurate measurements of resonant frequency is described here, which uses a phase‐modulated locked loop to avoid errors due to unknown phase shifts or to synchronous pickup noise.

 

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